1. Murphy beds: Also known as wall beds, Murphy beds are designed to fold up and be stored vertically against the wall when not in use. This allows for the use of the floor space for other purposes during the day.

2. Sofa beds: Sofa beds are a popular space-saving option for smaller living spaces. These pieces of furniture can be used as a sofa during the day and then easily converted into a bed for sleeping.

3. Nesting tables: Nesting tables are a set of tables that can be stacked together when not in use, taking up minimal floor space. When needed, they can be separated to provide additional surface area for entertaining or working.

4. Modular furniture: Modular furniture can be customized to fit the specific needs and dimensions of a living space. Pieces can be added or removed as needed to provide flexible storage and seating options.

5. Storage ottomans: Storage ottomans are a versatile piece of furniture that can be used as a footrest or extra seating, while also providing hidden storage space.

6. Drop-leaf tables: Drop-leaf tables are designed with hinged sections that can be raised or lowered as needed. This allows the table to be used as a small desk or console table, and then expanded to a larger dining table for entertaining.

Overall, space-saving furniture is an excellent option for those looking to make the most of a smaller living space. By incorporating multi-functional features and innovative designs, these pieces of furniture can help create a comfortable and functional living space without sacrificing style or functionality.